Carbomer1342/Carbopol1342
|
Items |
Standards |
|
Outer appearance |
white loose powder |
|
Viscosity |
20000-40000 mPa.s |
|
PH value |
2.5-3.5 |
|
Benzene |
≤ 0.01% |
|
Loss on drying |
≤2.0% |
|
Residue on ignition (%) |
≤ 2.0% |
|
Heavy Metal |
≤20ppm |
|
Carboxylic acid (–COOH) |
56.0-68.0% |
Character : Carbomer 1342 is a high molecular weight copolymer of acrylic acid and a long chain alkyl methacrylate cross-linked with allyl ethers of pentaerythritol. Carbomer 1342, previously dried in vacuum at 80for 1 hour, contains not less than 52.0 percent and not more than 62.0 percent of carboxylic acid (–COOH) groups.
Usage: It is mostly used in local drug delivery system, could used as thickener for cosmetics.
Application: Usually used as thickener,emulsifier. In the pharmaceutical industry, ofen used to make ointment, suppository, cream, gel, etc.
Packing: 10KG/Carton or 20KG/Carton |
